2015 Mercedes-Benz SLK 2.1 SLK250d AMG Sport

Price: £8,795. Fair price: £136 (1%) over the AskCar estimate of £8,659, our expected asking price for this car from its model, age, mileage and specification, drawing on 417 priced Mercedes-Benz SLK adverts on AskCar as of 7 November 2026.

AskCar lists 471 used Mercedes-Benz SLK from 369 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SLK
  • Trim: AMG Sport
  • Version: 2.1 AMG Sport Auto RWD Euro 6 2dr (201 bhp)
  • Year: 2015
  • Mileage: 81,000 miles
  • Fuel: Diesel
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.1 litres, 201 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 114 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 81,000 miles on the clock, this 2015 Mercedes-Benz SLK AMG Sport has done roughly 26,000 more miles than a typical 2015 Mercedes-Benz SLK. Its asking price of £8,795 is £136 above the AskCar estimate of £8,659. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 75 days ago, and its asking price has since fallen by £200. Our records show an MOT expiry date of 4 September 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by KJ Prestige in Bournemouth, Christchurch and Poole. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £136 (1%) over the AskCar estimate of £8,659.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 417 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 7 November 2026.

A 2015 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £9,600: the median of the 38 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 75 days.

Price history

AskCar first saw this advert on 24 August 2026 at £8,995. Its asking price is now £8,795, £200 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 24 August 2026: £8,995
  • 19 September 2026: £9,295
  • 1 October 2026: £8,995
  • 21 October 2026: £8,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 4 September 2026; ask the dealer for the current MOT.

It has had 8 MOTs. The latest, on 5 September 2025, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; undertrays and covers fitted.

Mileage at that test: 77,645 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 26,000 miles higher than the median mileage of a 2015 Mercedes-Benz SLK on AskCar.

Similar cars

30 other 2015 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £5,894 to £12,995, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey. Mileage: 82,200 miles. Price: £8,895, £100 more than this car. Dealer: Graham Mitchell in Bournemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-456697d32480
  • 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 75,969 miles. Price: £9,450, £655 more than this car. Dealer: Scottish Motor Services in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-979fd8ad6c41
  • 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 89,900 miles. Price: £7,295, £1,500 less than this car. Dealer: NWTC Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-66ee7bcade74

Browse all Mercedes-Benz SLK cars for sale · 2015 Mercedes-Benz SLK price guide

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Photos

29 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.